According to the difference of legal status, sea can be divided into inter waters, territorial sea, contiguous zone, archipelagic water, exclusive economic zone, continental shelf, high seas, international seabed and international straits. 依据法律地位的不同,海洋可划分为内水、领海、毗连区、群岛水域、专属经济区、大陆架、公海、国际海底区域、用于国际航行的海峡。